A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5990-01-562-4521
NSN 5950-00-453-9901
NSN 6150-01-362-0526
NSN 5975-01-126-9065
NSN 6610-00-827-8959
NSN 5895-00-257-8667
NSN 5895-01-517-6798
NSN 6150-00-652-1140
NSN 6685-01-657-6578
NSN 6130-00-487-4638
NSN 5960-01-654-4353
NSN 5930-00-807-9715